libbase/gettext.h

   1 /* Convenience header for conditional use of GNU <libintl.h>.
   2    Copyright (C) 1995-1998, 2000-2002, 2004, 2009, 2010 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify it
   5    under the terms of the GNU Library General Public License as published
   6    by the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with this program; if not, write to the Free Software
  16    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17    USA.  */
  18
  19 #ifndef _LIBGETTEXT_H
  20 #define _LIBGETTEXT_H 1
  21
  22 /* NLS can be disabled through the configure --disable-nls option.  */
  23 #if ENABLE_NLS
  24
  25 /* Get declarations of GNU message catalog functions.  */
  26 # include <libintl.h>
  27
  28 #else
  29
  30 /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
  31    chokes if dcgettext is defined as a macro.  So include it now, to make
  32    later inclusions of <locale.h> a NOP.  We don't include <libintl.h>
  33    as well because people using "gettext.h" will not include <libintl.h>,
  34    and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
  35    is OK.  */
  36 #if defined(__sun)
  37 # include <locale.h>
  38 #endif
  39
  40 /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
  41    <libintl.h>, which chokes if dcgettext is defined as a macro.  So include
  42    it now, to make later inclusions of <libintl.h> a NOP.  */
  43 #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
  44 # include <cstdlib>
  45 # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
  46 #  include <libintl.h>
  47 # endif
  48 #endif
  49
  50 /* Disabled NLS.
  51    The casts to 'const char *' serve the purpose of producing warnings
  52    for invalid uses of the value returned from these functions.
  53    On pre-ANSI systems without 'const', the config.h file is supposed to
  54    contain "#define const".  */
  55 # define gettext(Msgid) ((const char *) (Msgid))
  56 # define dgettext(Domainname, Msgid) ((const char *) (Msgid))
  57 # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid))
  58 # define ngettext(Msgid1, Msgid2, N) \
  59     ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
  60 # define dngettext(Domainname, Msgid1, Msgid2, N) \
  61     ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
  62 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
  63     ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
  64 # define textdomain(Domainname) ((const char *) (Domainname))
  65 # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname))
  66 # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset))
  67
  68 #endif
  69
  70 /* A pseudo function call that serves as a marker for the automated
  71    extraction of messages, but does not call gettext().  The run-time
  72    translation is done at a different place in the code.
  73    The argument, String, should be a literal string.  Concatenated strings
  74    and other string expressions won't work.
  75    The macro's expansion is not parenthesized, so that it is suitable as
  76    initializer for static 'char[]' or 'const char[]' variables.  */
  77 #define gettext_noop(String) String
  78
  79 #endif /* _LIBGETTEXT_H */